"He's had a tough go with injuries," Blues Head Coach Craig Berube said after the game. "You feel bad for a kid like that. He worked hard all summer and was ready to come in and prove himself. It's an unfortunate thing… We'll see how (the injury) is on (Wednesday). He didn't look good coming off."
Perunovich, 24, is looking to earn a roster spot on defense this season after dealing with injuries for much of the last two seasons. He played in 19 regular-season games last season, posting six assists. He also recorded four assists in seven playoff games, often filling in the power-play unit while Torey Krug was injured.